The relationship between barley starch content and malt extract
2010
Hartman, I.,Vyzkumny Ustav Pivovarsky a Sladarsky, Brno (Czech Republic) | Prokes, J.,Vyzkumny Ustav Pivovarsky a Sladarsky, Brno (Czech Republic) | Helanova, A.,Vyzkumny Ustav Pivovarsky a Sladarsky, Brno (Czech Republic) | Hartmann, J.,Ustredni Kontrolni a Zkusebni Ustav Zemedelsky, Brno (Czech Republic)
Barley samples with high and low starch concentrations from 2005-2009 harvests were malted and malt extract was determined. The aim of our research was to assess the relationship between the previous crop, barley yield, sieving fractions over 2.5 mm, barley technological quality and starch concentration, and to determine the effect of starch concentration on malt yield, malt extract and theoretical extract yield in malt per hectare. Starch conc. had a significant influence on extract level in malt and thus also extract yield per hectare. A highly significantly negative correlation between the concentration of nitrogenous substances and starch level in barley, malt extract and barley yield was determined.
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